the eldest

noun

—used in comparing the ages of people who are members of the same family

He's the eldest of her three brothers.

Examples of the eldest in a Sentence

Recent Examples on the Web

British journalist Auberon Waugh (the eldest son of novelist Evelyn Waugh) was even more brutal. — Hadley Hall Meares, Vanity Fair, 29 Oct. 2026

The senator, the eldest son of former President Jair Bolsonaro, lost Sunday’s presidential election to leftist incumbent Luiz Inácio Lula da Silva, who won about 52% of the vote to Bolsonaro’s 48%. — Syra Ortiz Blanes, Miami Herald, 28 Oct. 2026

Maria was the eldest daughter of a family with English Protestant roots who owned and lived on a sprawling ancestral property in central Ireland. — Literary Hub, 26 Oct. 2026

Musician Indio, 33, is the eldest of Robert Downey Jr’s three children. — Andreas Wiseman, Deadline, 26 Oct. 2026